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Oxidation number changes

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chose 4 true statements.a The oxidation number of Bromine (Br) decreases. b The oxidation number of Bromine (Br) increases. c
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2. asked anonymously
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When a manganous salt is fused with a mixture of KNO3 and NaOH the oxidation no. Of Mn changes from +2 to what?
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2. asked by aradhana
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